Lexmark 5021-0XX - Manual (Page 181)

Diagnostic information 2-103
5021-0XX
Banding service check
A banding line appears in horizontal direction.
Problem area Action
1 Photodeveloper (OPC)
cartridge Transfer failure due to uneven
rotational speed caused by a shock
which occurs when the seam of the
OPC belt passes over the cleaning
blade.
Replace photodeveloper cartridge.
See
“Photodeveloper cartridge
removal” on page 4-11 .
2 Toner cartridge OPC belt and transfer belt fail to
maintain regular and proper rotation
due to impact created during retract
of toner cartridge.
Replace toner cartridge.